Butt Skirt Share definition Flag A very short skirt a female wears when she wants to have a male put his weiner in her butt. Jon- "Sammie wore a butt skirt yesterday, to let me know she wanted to have buttsex." Butt Skirt by Jon & Sammie September 7, 2008 0 0 Get merch Get the Butt Skirt mug. Buy Now — $32.95 See more merch